What is the bore size for this gasket kit?

This Athena gasket kit is designed for engines with a 54mm bore size. It is specifically made for the 125cc Yamaha YZ125 model years 1997-2004.

What materials are used in the included piston and cylinder?

The kit includes an aluminum cylinder with a galvanic coating for corrosion resistance. The forged piston features a molybdenum coating, which helps with durability and reduces friction during operation.

Is this gasket kit CARB compliant?

No, this product is not CARB compliant. Please check local regulations regarding emissions compliance for your vehicle.

Athena

Athena 97-04 Yamaha YZ 125 LC Factory 125cc 54mm Gasket Kit

Name: Athena 97-04 Yamaha YZ 125 LC Factory 125cc 54mm Gasket Kit
Brand: Athena
Price: 48.35 USD
Availability: InStock

$48.35

Fits 1997-2004 Yamaha YZ125. Athena gasket kit for 125cc engines with a 54mm bore. Includes aluminum cylinder and forged piston.

Key Features

Direct fit — verified for 1997-2004 Yamaha YZ125
Aluminum cylinder with galvanic coating — resists corrosion.
Forged piston with molybdenum coating — durable and reduces friction.
Designed for 125cc engines with a 54mm bore size.

Fits this vehicle

Yamaha YZ125 1997-2004

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Product Details

This Athena gasket kit is built for the 1997-2004 Yamaha YZ125. It includes an aluminum cylinder with a galvanic coating and a forged piston with a molybdenum coating. This kit is designed for 125cc engines with a 54mm bore size.